* {
    margin: 0;
    padding: 0;
}

body {
    width: 100%;
    height: 100%;
}

#bg-image {
    z-index: -1;
    width: 100%;
    height: 100%;
    min-width: 1600px;
    position: fixed;
    left: 0;
    top: 0;
    background-image: url("../images/bg/bg1.jpg");
}

.login_div {
    width: 560px;
    height: 550px;
    position: relative;
    margin: 0 auto;
    top: 45%;
    transform: translateY(-50%);
}

.login_div input {
    border: 2px solid #DBDBDB;
    border-radius: 8px;
}

.part0, .part1, .part2,
.part3, .part4, .part5 {
    position: relative;
    height: 100px;
    width: 100%;
}

#welcome_info {
    position: absolute;
    top: 0;
    left: 70px;
    font-size: 50px;
    font-family: '方正兰亭超细黑简体';
    font-weight: bold;
}

.input_1 {
    width: 360px;
    height: 55px;
    margin-top: 25px;
    font-size: 28px;
    background: #f2f2f2;
}

.input_1:active {
    border-radius: 8px;
}

.input_2 {
    width: 360px;
    height: 55px;
    margin-top: 15px;
    font-size: 28px;
    background: #f2f2f2;
}

.input_2 active {
    border-radius: 8px;
}

.input_3, .input_4 {
    margin-top: 15px;
    width: 175px;
    height: 43px;
    border-radius: 6px;
    border: 1px solid #666666;
    background: #666666;
    color: white;
    transition: all 1s;
    font-size: 21px;
}

.input_3:hover {
    transform: scale(1.07);
    background: dimgray;
}

.input_4:hover {
    transform: scale(1.07);
    background: dimgray;
}

.input_5 {
    vertical-align: top;
    width: 230px;
    height: 55px;
    margin-top: 15px;
    font-size: 28px;
    background: #f2f2f2;
}

.login_div img {
    vertical-align: top;
    margin-top: 15px;
}

.tip_3 {
    display: inline-block;
    margin-top: 25px;
}

#login_info {
    text-align: center;
    font-size: 30px;
    font-family: '方正兰亭超细黑简体';
}